// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_VIEWS_LINUX_UI_STATUS_ICON_LINUX_H_
#define UI_VIEWS_LINUX_UI_STATUS_ICON_LINUX_H_

#include "base/strings/string16.h"
#include "ui/views/views_export.h"

namespace gfx {
class ImageSkia;
}

namespace ui {
class MenuModel;
} // namespace ui

namespace views {

// Since liblinux_ui cannot have dependencies on any chrome browser components
// we cannot inherit from StatusIcon. So we implement the necessary methods
// and let a wrapper class implement the StatusIcon interface and defer the
// callbacks to a delegate. For the same reason, do not use StatusIconMenuModel.
class VIEWS_EXPORT StatusIconLinux {
public:
    class Delegate {
    public:
        virtual void OnClick() = 0;
        virtual bool HasClickAction() = 0;

    protected:
        virtual ~Delegate();
    };

    StatusIconLinux();
    virtual ~StatusIconLinux();

    virtual void SetImage(const gfx::ImageSkia& image) = 0;
    virtual void SetToolTip(const base::string16& tool_tip) = 0;

    // Invoked after a call to SetContextMenu() to let the platform-specific
    // subclass update the native context menu based on the new model. The
    // subclass should destroy the existing native context menu on this call.
    virtual void UpdatePlatformContextMenu(ui::MenuModel* model) = 0;

    // Update all the enabled/checked states and the dynamic labels. Some status
    // icon implementations do not refresh the native menu before showing so we
    // need to manually refresh it when the menu model changes.
    virtual void RefreshPlatformContextMenu();

    Delegate* delegate() { return delegate_; }
    void set_delegate(Delegate* delegate) { delegate_ = delegate; }

private:
    Delegate* delegate_;
};

} // namespace views

#endif // UI_LINUX_UI_STATUS_ICON_LINUX_H_
